Safe-lock



C. A. IIOSHON` SAFE LocK.

APPLICATION FILED IIOV. 9, 1918.

Patented Sept. 30, 1919.

2 SHEETS-SHEET I.

C. A. ROSHON.

SAFE LUCK.

APPLICATION FILED Nov. 9. 191s.

Patented Sept. 30, 1919.

2 SHEETS-SHEET 2 nvantoz 0. d?? Radio/7 dtmnua CHARLES ALLEN RDSI-ION, 0F IBLAIRSVILLE, PENNSYLVANIA.

SAFE-LOCK.

Specification of Letters Patent.

PatentedSept. 30, 1919.

Application filed November 9, 1918. Serial No. 261,757.

To all whom t may concern:

Be it known that I, CHARLES A. RosHoN, a citizen of the United States, residing at vBlairsville, in the county of Indiana and State of Pennsylvania, have invented vnew and useful Improvements in Safe-Locks, of which the following is a specification.

This invention -relates to safe locks and is 'in the nature of a protective device for locks, the object and purpose ofthe invention being to produceva protecting device for use Vin conjunction with a combination or permutation safe lock, to prevent persons Vfrom learning or obtaining the combination Yor numbers or figures required to operate Athe lock and open the safe.

It is'well known bythose familiar with combination locks that it is a very easy matter for a person to obtain the combination by merely turning the dial knob, when the safe is unlocked, in just the reverse operation used in unlocking the safe, all thatfis required being the sense of touch and sight,

the tumblers being manipulated bymeans of the knob until the cooperating projections or shoulders of the tumblers come in contact with each other, at this time the numbers on the dial are noted. `After these numbers are obtained 'the safe may be opened by relative positions thereby rotating the tumblers and rendering it impossible lfor such person to obtain the figures of the combination.

While I have here stated and will hereinafter describe one embodiment of the invvention, I do not desire to be restricted to the particular constructionand arrangement disclosed as it will become apparent as the description proceeds that the tumbler actuating mechanism may be greatly varied Vand will necessarily be modified to conform to the particular type of protective lock in conjunction with which the improved mechanism is used.

Vith these and other objects in view, the invention consists of the features of construction, combination and arrangement of parts, hereinafter fully described and claimed, reference being had tothe accompanying drawings, in which Figure 1 is an inside face view of permutation lock mechanism, showing the tumbler actuating mechanism ofthis invention in its applied relation thereto.' l

Fig. 2 is a similar view showing the tumbler actuating mechanism in set position.

Fig. 3 is a vertical longitudinal section through the same.

Fig. 4: is a cross section through the same taken on the line l-4: of Fig. 3.

Fig. 5 is a plan View of the attachment in inactive position.

Fig. 6 isa similar view showing the position of the parts of the tumbler mechanism in set position.

Fig. 7 is a cross section'on the line 7-7 of Fig. 5.

Fig. 8 is a detailof the spring lock.

Two orv more of' the tumblers 1 ofthe permutation lock are formed inthe periphery thereof with notches 2 to be engaged by the actuating fingers of the tumbler actuating mechanism hereinafter,y described. The shank or shaft '3 of the locking bolt has projecting downwardly therefrom a slide setting arm 4L the relation of which to the tumbler actuating mechanism of this inven tion will hereinafter appear. 5 represents the bolt actuating link of the permutation lock mechanism which carries the usual projection that drops into the notches of the tumblers when they are properly positioned in relation to each other in order to open the safe, 6 designating the 4Vlocking or oscillatory bolt -to which said link is pivotally .connected at 7.

The tumbler actuating mechanism, in the illustrated embodiment thereof, comprises a base plate 8 having at opposite ends thereof upstanding ears y9 formed withy threaded l openings 10 to receive screws 1-1 projecting inwardly through corresponding openings in the lock casing 14. Mounted formovement on the base 8 is a tumbler actuating slide 15 the same being guided in its back and forth movements by guiding strips 16 of' dove-tail or under cut formation as shown, said guiding strips also serving as retaining lmeans to prevent dislocation of said slide. The slide carries a plurality of tumbler actuating` spring fingers 17 which arek adapted at their free extremities to engage the notches 2 in the tumblers 1 when of the slide '15 and attached at its opposite eXtre-mity, for convenience, lto one of the ears at the end of the base. The slide 1s shifted in opposition to theten'sion of said spring by the arm on the shaft of the locking bolt hereinafter described When the operating knob of the lock is turned to unlocking position.

In order to hold the slide at the set end of its throw, said slide-has a laterally pr jecting finger 19 Which rides upon a spring 20 secured by fastening means 21 at one end of the base. Said spring has on its upper surface avlip 22 behind which said finger 19 snaps When the slide reaches its set position. The springalso has adjacent to its free end a VV-shaped cam projection 23 which is received in a corresponding notch 24 in the lower end of a two-arm tri-p 25, said trip being privotally mounted at 26 on an upstanding support 27 rising from the base. The lower arnnof the trip also has a laterally oilset portion or finger 28 With which the finger on the slide contacts just before the slide reaches its-,set position. The means just described serves to lock the pivoted trip into a position Where the upper curved arm 29 of the trip `is positioned in the path of a. projection 3001i the link actuating hub orV disk 31 of the locking mechanismer Therefore when an attempt is made to ascertain Vthe numbers of the combination, such projection comes in contact With the upper arm `of the trip and unlocks said trip on its pivot, causing the notch in the lower arm of the trip to cooperate With the cam projection on the slide holding spring, depressingthe free endof said spring until it disengages the late-rally projecting iinger of the slide. This releases the slide'vvhich is then quickly actuated'by the spring attached thereto, the result being that the tumbler actuating fingers on said slide will engage the notches in the tumblers and impart a partially rotative or whirling action thereto thus destroying the combinative release of said tumblers. In this manner an unauthorized person is prevented from ascertaining the numbers 'necessary to manipulate the kcombination lock.

Having thus fully described my invention, I claim 1. In a combination lock embodying rotatable tumblers, tumbler actuating mechanism Vcomprising a. tumbler actuating slide, a plurality of tumbler actuating'ngers carried by said slide, means connected with and operable by an element of the combination lock for shifting said slide in one direction, means for automatically shifting said slide in the opposite direction, means for holding said slide in its set position, and tripping means for releasingtsaid slide actuated by a part of the lock mechanism when the operatlng knob of the lockis turned.

2, The combination With the mechanism of a combination lock, of means for actuating the tumblers, the same comprising a tumbler actuating slide, an arm connected with a movable member of the lock mechanism for shifting said slide Vin one direction, yieldable means for actuating said slide in the opposite direction lWhen tripped, a trip adapted to be actuated by a part of the lock mechanism, and means on said slide for setting said trip in position to be actuated by said part of the lock mechanism Vwhen the lock operating V.knob is turned.

3. The combination with the mechanism of a combination lock, of means for actuating vthe tumblers, the same comprising a tumbler actuating. slide, an arm'connec'ted -With a movable member ofcthelock mechanism for shifting saidgslide in -one direction, yieldvable means Jfor actuating said slide in the opposite direction When tripped, a 'trip adapted to be actuated by a part of the lock vmechanism, means on said slide for setting said trip in position to be actuated by said part of the lock mechanism when the lock operating knob is turned, andmeans for holding said trip in the last named position, said means embodying a member having a yieldable latch shoulderradapted to engagejand hold a projecting part of the slide.y t

4. lThecombination with the mechanism ofa` combination lock, of means i'or actuating the tumblers, the same comprising Aa Vso i tumbler actuating slide, an arm connected With a movable member of the lock mechanismy for shifting said slide in one direction, yieldable means for actuating said slide in the opposite direction when tripped, a trip adapted to be actuated by a part ofthe lock mechanism, means on said vslidefor setting said trip in position to be actuated by said part of the lock mechanism when thelock operating knob isturned, means for holding said trip in the last named position, said means embodying a member having a yieldableY latch shoulder adapted to engage and hold a projecting partfof the slide, and means operable by said trip for moving saidY to release the slide. Y

5. The combination with the lock mechamember so as to retract said latch shoulder nism of a combination lock, of mechanism for actuating the tumblers, the last named mechanism comprising an arm extending from an oscillatoryV member of the lock mechanism, a slide having a part thereof arranged inthe path of said arm, a return spring for actuating said slide in the opposite direction, means ycarried by said slide and adapted to engage and impart a rotative movement to tWo or more of the tumblers, a spring having a latch shoulder thereon, a finger projecting from the slide and adapted to engage said shoulder and be held thereby When the slide is in its set position, a projection on said spring, a pivoted trip adapted to engage the last named projection to deflect the spring and move the latch shoulder thereof out of engagement with said finger on the slide, the latter being arranged to contact with a -part of said trip to set said trip in position to be actuated by a part of the lock mechanism.

6. In a combination lock embodying rotatable tumblers, tumbler actuating mechacopies of this patent may be obtained for nism including a tumbler actuating slide, means connected With and operable by an element of the combination lock in the movement of the lock mechanism to lock releasing position for shifting said slide in one direction to set the same for action, means for automatically shifting said slide in the opposite direction, means Jfor holding said slide in its set position, and tripping means for releasing said slide actuated by a part of the lock mechanism when the operating knob of the lock is turned.

In testimony whereof I affix my signature.

CHARLES ALLEN ROSHON.

ive cents each, by addressing the Commissioner of Patents.

Washington, D. c. 

